China's supercomputer tops global rankings for first time since 2017

China has reclaimed the top spot in the Top500 supercomputer rankings with its LineShine machine, displacing the US-built El Capitan — a list widely read as a proxy for national technological power. The development lands as the US and its EU allies are actively building a pact to reduce dependence on Chinese AI supply chains, making the timing pointed. LineShine is based in Shenzhen.